Home / 252,986.24-349,117.80-139,806.56

Finding the Fourth Proportional to 252,986.24, 349,117.80 and 139,806.56

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Solution

The fourth proportional to 252,986.24, 349,117.80 and 139,806.56 is: 192,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,986.24 : 349,117.80 = 139,806.56 : x
  2. Step 2: Convert to fraction form
    252,986.24/349,117.80 = 139,806.56/x
  3. Step 3: Cross multiply
    252,986.24x = 349,117.80 × 139,806.56
  4. Step 4: Simplify right side
    252,986.24x = 48,808,958,652.77
  5. Step 5: Solve for x
    x = 48,808,958,652.77/252,986.24
  6. Step 6: Final answer
    x = 192,931.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.